Patents by Inventor Shotaro KATAKURA

Shotaro KATAKURA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Liquid ejecting head and liquid ejecting apparatus
    Patent number: 11951740
    Abstract: A communication plate in which are provided a first communication channel communicating with the first pressure chamber and the second pressure chamber and a first common liquid chamber communicating with the first pressure chamber and the second pressure chamber at positions different from positions at which the first communication channel communicates with the first pressure chamber and the second pressure chamber, and a nozzle substrate in which a first nozzle communicating with the first pressure chamber and the second pressure chamber in common via the first communication channel is provided. A second communication channel communicating with the first common liquid chamber and communicating with the first pressure chamber and the second pressure chamber in common is provided in the pressure chamber substrate or the communication plate.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: April 9, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Shotaro Tamai, Takahiro Katakura, Takanori Aimono, Yuta Okawa, Hitoshi Takaai
  • Corrugated fin type heat exchanger
    Patent number: 11828545
    Abstract: In a corrugated fin type heat exchanger a flat tube can be replaced, to improve heat exchange performance thereof. A characteristic part of the heat exchanger lies in a projection having been formed on the ascending surface and the descending surface of the corrugated fin of respective tube elements.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: November 28, 2023
    Assignee: T.RAD CO., LTD.
    Inventors: Kohsuke Seguchi, Masato Murayama, Shotaro Katakura
  • CLIP FOR TUBE ELEMENT
    Publication number: 20230243604
    Abstract: In a clip for holding a tube element, a first fitting part is provided on one side surface of the clip, and a second fitting part is provided on the other side surface. A back surface holding part is provided on an open side of the clip, and a front surface holding part is provided on an unopened side. Furthermore, a tongue piece is provided between the back surface holding part and the front surface holding part.
    Type: Application
    Filed: June 23, 2021
    Publication date: August 3, 2023
    Inventors: Shotaro KATAKURA, Wataru KOJIMA, Koichi AKISAWA, Masato MURAYAMA
  • CORRUGATED FIN TYPE HEAT EXCHANGER
    Publication number: 20220018613
    Abstract: In a corrugated fin type heat exchanger a flat tube can be replaced, to improve heat exchange performance thereof. A characteristic part of the heat exchanger lies in a projection having been formed on the ascending surface and the descending surface of the corrugated fin of respective tube elements.
    Type: Application
    Filed: December 25, 2019
    Publication date: January 20, 2022
    Inventors: Kohsuke SEGUCHI, Masato MURAYAMA, Shotaro KATAKURA